英语语法:虚拟语气归纳整理
(完整版)英语虚拟语气语法归纳总结

(完整版)英语虚拟语气语法归纳总结英语中的虚拟语气是一种表示非事实或想象的语气,用来表达对现实情况的猜测、愿望、要求、建议、命令和反讽等。
虚拟语气主要通过动词的形式和句子的结构来表达。
一、虚拟语气的用法:1.表达建议、要求、命令、禁止:- 主语+动词原形+宾语(动词原形要用动词底形、如be);- 主语+动词原形+that从句(用于表达建议、命令、禁止,动词原形用“should + 动词原形”或用情态动词)。
例句:- It is important that he be present at the meeting.(建议)- I suggest that he should go to the doctor.(建议)- They insisted that he leave the room immediately.(命令)2.表达愿望、请求、要求:-主语+动词过去式;- 主语+would/could/might + 动词原形;- 主语+动词过去式+宾语+should + 动词原形。
例句:- I wish I could fly.(愿望)- I would appreciate it if you could help me.(请求)3.表示虚拟条件:- If条件从句中的谓语动词用过去完成时,主句用would/should/might/could + have + 过去分词;- If条件从句中的谓语动词用过去时,主句用would/should/could + 动词原形。
例句:- If I had known his phone number, I would have called him.(虚拟条件)- If you had listened to me, we could have finished the project earlier.(虚拟条件)4.表达建议、要求、祝愿:- If only内部称述 + 主语 + 过去式。
英语语法 虚拟语气的知识点归纳

英语语法虚拟语气的知识点归纳一、虚拟条件句(一)含有if条件句的主从句的虚拟语气总结:1. If 条件句中谓语动词的虚拟结构是在原来陈述语气所用时态的基础上倒退一个时态(对将来虚拟的were to do/should do例外)2. 主句要借助于情态动词的过去式,后跟动词原形(现在或将来)或have done(过去);if条件句中只出现一个情态动词,即对将来虚拟的should.3.做此类题目时一定要分清是从句还是主句谓语动词的虚拟,还要把握好时态。
注意:1. 在虚拟条件从句中,动词“be”的过去时态一律用”were”,不用was。
2. 在虚拟条件状语中如果有were, should, had这三个词中任何一个,可省略if,把这三个词提到主语之前, 变成:were/should/had +主语+剩余成分。
3.在虚拟条件状语从句中,省略连词的倒装形式的句首不能用动词的缩略形式。
如我们可说Were I not to do., 而不能说Weren‘t I to do。
4.在表示与将来事实相反的条件句中,只能用should,而不能用would,could和might 等。
5.主句中的should通常用于第一人称,would,could以及might 可以用于各种人称eg :①If I were a bird, I could fly in the air.如果我是一只小鸟,我就能在空中飞行。
②I wish I could pass the examination.我希望我能通过考试。
在虚拟条件句中,对于与将来事实相反的情形,请注意以下几点:(1)条件从句表示的内容与将来事实相反,实为对将来情况的推测,用过去时表示虚拟;(2)条件从句谓语除用过去式外,有时也用“should+动词原形(表示可能性极小,常译为“万一”)”或“were to+动词原形(表示与将来事实相反的假设)”;(3)条件从句使用“should+动词原形”这样的谓语形式时,主句谓语除可用“should (would, could, might)+动词原形”这样的虚拟语气形式外,也可用直陈语气或祈使语气。
虚拟语气的用法归纳

虚拟语气是一种特殊的动词形式,用来表达说话人的假设、愿望、猜测、建议等非现实的情况。
虚拟语气在英语中的使用非常广泛,包括情态动词、动词的过去式、过去完成时、be 型虚拟式等形式。
下面我将详细介绍虚拟语气的用法。
一、情态动词的虚拟语气1. 表示现在或将来的假设例如:If I had money, I would travel around the world.2. 表示过去的假设例如:If I had studied harder, I would have passed the exam.3. 表示与现在事实相反的愿望例如:I wish I were rich.4. 表示与过去事实相反的愿望例如:I wish I had studied harder.5. 表示与将来事实可能相反的愿望例如:I wish it would stop raining.二、动词的过去式的虚拟语气1. 表示现在或将来的假设例如:If I knew the answer, I would tell you.2. 表示过去的假设例如:If I had seen the movie, I would have recommended it to you.三、过去完成时的虚拟语气1. 表示过去的假设例如:If I had had more time, I would have finished the work.2. 表示与过去事实相反的愿望例如:I wish I had gone to the party last night.四、be型虚拟式1. 表示现在或将来的假设例如:If I were you, I would take the job.2. 表示与现在事实相反的愿望例如:I wish I were in Hawaii now.五、混合虚拟语气1. 表示过去的假设例如:If I had known that you were coming, I would have met you at the airport.2. 表示与过去事实相反的愿望例如:I wish I had studied harder and passed the exam.六、虚拟语气的特殊用法1. 在某些形容词后面使用虚拟语气例如:It is important that you be on time.2. 在某些名词后面使用虚拟语气例如:It is necessary that he study harder.3. 在某些介词后面使用虚拟语气例如:I am glad that you came.以上是虚拟语气的用法归纳,希望对大家有所帮助。
英语语法 虚拟语气的知识点归纳

英语语法虚拟语气的知识点归纳英语语法:虚拟语气的知识点归纳虚拟语气是英语语法中的一个重要部分,它用于表达一种假设、愿望、建议、要求或可能性较小的情况。
在本文中,将对虚拟语气的几个主要知识点进行归纳总结。
1. 条件句中的虚拟语气在条件句中,虚拟语气通常用于表示与当前事实相反的情况。
虚拟语气的形式包括"would/could/should+动词原形",以及"动词过去式+动词原形"。
例如:- If I had more time, I would travel around the world.(如果我有更多时间,我就会周游世界。
)- If I were you, I would study harder.(如果我是你,我会更加努力学习。
)2. 虚拟语气用于表达愿望和建议虚拟语气还常用于表达愿望和建议,表示一种假设的情况。
常见的表达方式有:- I wish/If only + 主语 + 过去式(be动词用were):表示对现在或将来的希望或遗憾。
例如:- I wish I were taller.(我希望自己更高。
)- If only she could speak fluent English.(要是她能说一口流利的英语就好了。
)- It is time + 主语 + 过去式(should + 动词原形):用于表示现在或将来应该发生的动作。
例如:- It is time we started the meeting.(是时候开始会议了。
)- It is time you should apologize to her.(你应该向她道歉了。
)3. 虚拟语气在宾语从句中的使用在宾语从句中,若主句的动词表达了建议、命令、要求等含义时,宾语从句中的谓语动词常使用虚拟语气。
具体的用法如下:- 建议:suggest/recommend + (that) + 主语 + (should)+ 动词原形。
虚拟语气英语知识点总结

虚拟语气英语知识点总结一、虚拟语气的概念。
虚拟语气是一种特殊的动词形式,用来表示说话人所说的话不是一个事实,而是一种假设、愿望、怀疑、猜测或建议等。
二、虚拟语气在条件句中的用法。
1. 与现在事实相反的虚拟条件句。
- 结构:从句(If + 主语+ 动词的过去式(be动词一般用were)),主句(主语+ would/should/could/might+动词原形)。
- 例如:If I were you, I would study harder.(如果我是你,我会更努力学习。
实际上我不是你)2. 与过去事实相反的虚拟条件句。
- 结构:从句(If+主语+had+过去分词),主句(主语+would/should/could/might + have+过去分词)。
- 例如:If he had taken my advice, he would have passed the exam.(如果他听了我的建议,他就会通过考试了。
实际上他没听建议,也没通过考试)3. 与将来事实相反的虚拟条件句。
- 结构:从句(If+主语+动词的过去式/should+动词原形/were to+动词原形),主句(主语+would/should/could/might+动词原形)。
- 例如:If it rained tomorrow, we would stay at home.(如果明天下雨,我们就会待在家里。
明天是否下雨还不确定,但这是一种假设情况)- 或者If he should come tomorrow, I would tell him the news.(如果他明天来,我就会告诉他这个消息)- 以及If I were to see her tomorrow, I would give her the book.(如果我明天见到她,我就会把书给她)三、虚拟语气在宾语从句中的用法。
1. wish后的宾语从句。
- 表示与现在事实相反的愿望,从句谓语动词用过去式(be动词用were)。
英语虚拟语气语法总结

英语虚拟语⽓语法总结虚拟语⽓语法总结1. 虚拟条件句谓语动词的构成形式倒装结构1)Had you (=If you had) invited us, we would have come to your party. 2)Were I (=If I were) you, I would do more practice after class.3)Should it rain tomorrow, I wouldn’t go.2.虚拟条件句的特殊⽤法A. 混合虚拟条件句条件从句的动作和主句的动作不是同时发⽣.If he had followed the doctor’s advice, he would be quite all right now.(从句述说过去,主句述说现在。
)If I were you, I wouldn’thavemissed the film last night.(从句述说现在,主句述说过去。
)If I had had more self-confidence, I would become a teacher.(从句述说过去,主句述说现在。
)If the rescue team hadn’t found him, he would be dead.(从句述说过去,主句述说现在。
)If she didn’t love driving, she wouldn’t have become a driver.(从句述说现在,主句述说已发⽣。
)B. 含蓄虚拟条件句虚拟条件通过下述词语引出的短语:介词with, without, but for, if it had not been / if it were not for…etc例如:1)I couldn’t have won the competition without your encouragement.2)With your assistance (=If we had your assistance), we might finish the plan earlier3)Butfor you advice, I wouldnotbe able to do this work.4) Victor obviously doesn’t know what’s happened, otherwise he wouldn’thavemade such a stupid remark.C. 虚拟条件句中的表⽰结果的主句有时形式上可以省略,但意义上仍然存在。
英语《虚拟语气》语法知识总结归纳

英语《虚拟语气》语法知识总结归纳虚拟语气(Subjunctive mood)是英语中一种特殊的语气形式,用于表示说话人的假设、愿望、建议、要求、命令等非真实情况。
虚拟语气在句子中通常与动词的调整和语法结构上的变化相关。
以下是对虚拟语气的语法知识的总结归纳:1.条件句中的虚拟语气:1.1 条件句中表示对现在的假设:使用虚拟语气的一般公式是:if + 主语 + 过去式,主句使用would/could/should/might + 动词原形。
例如:- If I were you, I would go to the meeting.(如果我是你,我会去开会。
)注意,这里的"were"是一个特殊的虚拟语气形式,用于所有人称和数。
- If she had studied harder, she might have passed the exam.(如果她努力学习,她可能会通过考试。
)1.2 条件句中表示对过去的假设:使用虚拟语气的一般公式是:if + 主语 + 过去完成时,主句使用would/could/should/might + have + 过去分词。
例如:- If I had known it, I would have told you.(如果我知道了,我会告诉你的。
)- If she had arrived earlier, she might have caught the bus.(如果她早点到,她可能会赶上公共汽车。
)2.虚拟条件句中的特殊情况:2.1 在虚拟条件句中表示命令、建议时,主句中的动词可以使用动词原形(而不是would/could/should/might + 动词原形)。
例如:- If you have any questions, please let me know.(如果你有任何问题,请告诉我。
)- If I were you, I would take a break.(如果我是你,我会休息一下。
英语语法之虚拟语气大全

2、If only引起的感叹句相当于“How I wish+宾 语从句”:
If only he could come! 他要能来就好了。 If only I were ten years younger. If only I had known the answer! 我要早知答案就好了。
虚拟语气用在某些动词后面
另外,由第一类动词转换为名词或过去分词后,他们所带的主语从句、表语从句 或同位语从句的虚拟与宾语从句的谓语动词一样,如:
主语从句:It is suggested that we should discuss the question. 表语从句:His suggestion is that we should discuss the question. 同位语从句:The suggestion that we should discuss the question was
If it should rain tomorrow, we would stay at home. If I were to go to the moon one day, I could see it with my own eyes. If you missed the film to night, you would feel sorry.
4. 从句的动作与过去事实相反, 主句的动作与现在事实不符时
基本句型为 if +had done, 主句+would/could/should+do.
If you had studied English hard, you could speak English now. If you had bought that house, you would be rich now.
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虚拟语气一、语气的分类语气概述:语气,跟失态和语态一样,也是动词的一种形式,表明说话者的意图、态度和目的。
英语中有三种语气:陈述语气、祈使语气和虚拟语气。
1.陈述语气:用来陈述事实或提出想法,包括肯定、否定例:Recent pressure at work may account for his behaviour.他的行为也许是最近的工作压力导致的。
2.祈使语气:表明说话人提出请求、命令或劝告等例:Calm down and tell me what happened.冷静点儿,告诉我发生了什么事。
祈使语气也可用在并列句中表示条件Work hard and you will succeed.好好干,你会成功的。
H e quick or you’ll be late.快点儿,否则你会迟到。
3.虚拟语气:表示说话人的一种愿望、建议、请求、命令;有时是一种非真实的假设,与事实不符或相反的情况例:If had seen him yesterday, I would have told him the news.我如果昨天见到他,就会把这个消息告诉他了。
二、虚拟语气的用法(一)虚拟语气在条件句中的应用1.虚拟语气主要用在虚拟条件中,表示根本不存在的情况或可能很小的假设虚拟语气用于if条件句中时,主句和从句谓语动词的形式如下:——与现在事实相反:过去式(be一般用were)should/ would/could/might+动词原形——与过去事实相反:had+过去分词should/ would/ could/ might have +过去分词——与将来事实相反:过去式(be一般用were)/should + 动词原形/ were to + 动词原形should/ would/ could/might + 动词原形例:If I had enough money, I would buy myself a computer.我如果有足够的钱,会为自己买一台电脑。
(与现在的事实相反)If we had had enough rain last year, we could have gained a good harvest.如果去年雨水充足的话,我们可能会有一个好收成。
(与过去的事实相反)If I should see/ were to see/ saw him tomorrow, I would invite him home.我如果明天见到他,会邀请他到家里来。
(与将来的事实相反)特别关注:1.在虚拟语气中,be在各种人称中都用were,在非正式问题中,第三人称单数也可用was。
2.如果说话人认为if从句所表示的是事实(客观存在的情况或实现的可能性很大的假设),全句就可以用陈述语气。
例:If you do it once more, you will do it better.你如果再做一遍,就会做得更好。
(事实上完全可以再做一遍)2.如果条件句中含有were、should或had,有时可将if省略,把were、should或had,则不能例:If y ou had taken my advice, you wouldn’t have failed theexamination.-----Had you taken my advice, you wouldn’t have failed theexamination.你如果听了我的建议,就不会考试不及格。
If you were you, I would apply for the job.-----Were I you, I would apply for the job.我如果是你,就会申请那份工作。
3.错综时间条件句(混合条件句)虚拟条件从句和主句动作发生的时间不一致时,主句和从句的谓语动词根据所指的时间选用适当的虚拟语气形式。
例:If I were you, I wouldn’t have missed the opening ceremony lastnight.我如果是你,就不会错过昨晚的开幕式。
(从句与现在事实相反,主句与过去事实相反)If they had left here last night, they would arrive home in anhour.他们要是昨晚就离开这里的话,再过一小时就该到家了。
(从句与过去事实相反,主句与将来事实相反)If had taken my umbrella with me this morning. I should not bewet now.我如果今天早上带了伞,现在就不会淋湿了。
(从句与过去事实相反,主句与现在事实相反)4.含蓄条件句有时假设的情况并不用从句表示出来,而是通过介词或介词短语(without、but for等)、副词(otherwise)、连词(or、but、butthat等)、上下文或其他方式表现出来,这种句子要用含蓄虚拟语气。
例:Without air, there wouldn’t be living things in the word.没有空气,世界上就没有生物。
(相当于If there were no air…)She would have come to see you, but she was so busy that day.她原本会来看你的,可是那天她实在太忙了。
(相当于If she hadnot been so busy that day…)But for the storm I would have arrived much earlier.要不是那场暴风雨,我早就到了。
(相当于If it had not beenfor…)He came to town yesterday, or I would not have met him.他昨天到城里来了,不然我就不会遇见他了。
5.“I f it were not/ had not been for…” 句型中的虚拟语气意为“要不是……”例:If it were not for peace, we would not be living a happy lifetoday.要不是有了和平,我们今天就不可能过着幸福的生活了。
If it had not been for your timely help, I would have gonebankrupt.要不是你的及时帮助,我就破产了。
(二)虚拟语气在各种从句中的用法1.虚拟语气用于主句从句中在以下几个句型中,it是形式主语,that引导的是主语从句,谓语部分常用“(should + )动词原形”虚拟语气形式。
(1)“It is/ was + 形容词/过去分词 + that…”结构中的虚拟语气在“It is/ was +形容词/过去分词+ that…”结构中,表示“愿望、建议、请求、命令、可能、适当、较好、迫切、紧急、重要”等含义的形容词后的主语从句中用虚拟语气,谓语构成为“(should+)动词原形”。
此结构中常用的形容词和过去分词:natural 自然的、essential 至关重要的、necessary 必要的、strange 奇怪的、vital 至关重要的、possible 可能的、required 要求、requested 请求、suggested 建议、ordered 命令、proposed提议appropriate 适当的、preferable 更可取的、important 重要的、urgent 紧破的、probable 很可能的、advisable 明智的、demanded 要求、desired 要求、recommend 推荐、advised 建议例:It is necessary that we ( should )have a rest now.我们很有必要现在休息一下。
It is important that we ( should ) make everything ready ahead of time.我们事先把一切准备好很重要。
It is strange that she ( should ) marry such an old man.她竟然嫁给了这样一位年老的男士,真是太奇怪了。
It is vital that enough money ( should ) be collected to rebuild the disaster area.至关重要的是为灾区重建募集足够的钱。
It is desired that remote control ( should ) be introduced into this system.要求把遥控装置引进该系统。
It is required that nobody ( should ) park his car here.要求任何人不得在此停车。
(2)“It is + 名词 + that…” 结构中的虚拟语气在“It is + 名词 + that…”结构的主语从句中常用虚拟语气,表示建议、命令、请求、道歉、怀疑、惊奇等,谓语动词构成为“( should+ )动词原形”。
常用于该结构的名词有:Advice 建议、decision决定、desire渴望、demand要求、idea想法、order命令、pity遗憾、preference偏爱、proposal建议、recommendation建议、requirement要求、shame遗憾、suggestion建议、surprise惊讶、wish希望、wonder惊奇例:It is my advice that we ( should ) accept the young man’s apology.我的建议是我们应该接受这个年轻人的道歉。
It was a pity that you ( should ) be so careless.你如此马虎,真是令人遗憾。
It’s his suggestion that we ( should ) get more people to attend theconference.他的建议是我们应该让更多的人参加会议。
It is a shame that he ( should ) fail the exam.很遗憾他没有通过考试。
It’s a surprise that he ( should ) pass the examination with the highestscore.令人吃惊的是,他居然以最高分通过了考试。
2.虚拟语气用于宾语从句中(1) wish后的宾语从句表示与现在的事实相反的愿望:过去式( be 用 were)表示与过去的事实相反的愿望:had + 过去分词表示与将来的事实相反的愿望:would/could + 动词原形例:I wish I were as young as you.我真希望能和你一样年轻。